🌱Nano tank friendly
Species that stay small enough to thrive in tanks under 20 gallons. Perfect for desktop setups, planted nanos, and pico reefs.
323 species
False Corydoras
FishAspidoras pauciradiatus
Tiny Brazilian catfish with a Corydoras personality packed into a one-inch body.
False Network Cory
FishCorydoras sodalis
A long-lived little catfish that genuinely needs the company of its own kind.
False Rummy Nose Tetra
FishPetitella georgiae
The rummy-nose lookalike that rewards those who learn to tell it apart.
False X-ray Tetra
FishHyphessobrycon simulatus
A rarely seen French Guiana tetra that rewards patient hobbyists with graceful schooling behavior.
Featherfin Tetra
FishHemigrammus unilineatus
A peaceful shoaler from South America that rewards patient keepers with easy breeding.
Fire Bar Danio
FishDevario maetaengensis
A compact mountain-stream danio with bold patterning from northern Thailand's cool waters.
Firecracker Goby
FishTrimma rubromaculatus
A tiny red-spotted goby with a quirky habit of hovering at odd angles near the seafloor.
Firefly Loach
FishSchistura devdevi
A tiny Himalayan stream loach sometimes traded as the firefly loach.
Fire Shrimp
InvertLysmata debelius
A bold red cleaner shrimp that sets up shop servicing fish in your reef.
Flag Tailed Panda Cory
FishCorydoras oiapoquensis
A tiny armored catfish from a single river system, surprisingly long-lived.
Forktail Blue-eye
FishPseudomugil furcatus
Tiny Papua New Guinea gem that puts on its best show in a proper group
Frog-faced Cichlid
FishLamprologus ocellatus
Pocket-sized cichlid with big personality, built around a borrowed shell
Gabonese Killifish
FishAphyosemion gabunense gabunense
A gentle Gabonese killifish that rewards patient, attentive keepers.
Garnet Tetra
FishHemigrammus pulcher
A peaceful, colorful little tetra that thrives in numbers and suits most community tanks.
Gecko Loach
FishHomaloptera ogilviei
A tiny blackwater loach that perches on its fin-tips like a lizard at rest.
Gecko Loach
FishHomalopteroides modestus
A tiny mountain stream loach that crawls and hops across rocks like no other fish.
Gecko Loach
FishHomalopteroides nebulosus
A tiny forest-stream loach that crawls and hops rather than swims.
Gecko Loach
FishHomalopteroides stephensoni
A rare Bornean hillstream loach that crawls and hops across rocks like a tiny lizard.
Gecko Loach
FishHomalopteroides tweediei
A tiny hillstream crawler that hops and clings its way across the riverbed.
Gertrude Spotted Blue Eye Rainbowfish
FishPseudomugil gertrudae
Tiny rainforest blue-eye that rewards patient keepers with dazzling fin displays.
Glass Bloodfish
FishPrionobrama filigera
A peaceful, transparent schooling fish with a blood-red tail that earns its name.
Glowlight Rasbora
FishTrigonostigma hengeli
A tiny, soft-water schooler with a vivid orange-edged lambchop mark.
Glowlight Tetra
FishHemigrammus erythrozonus
A fiery neon stripe makes this hardy little tetra a beginner's best friend.
Goldenbanded Goby
FishBrachygobius aggregatus
A tiny bumblebee goby that thrives from freshwater streams to brackish estuaries.
Golden Dwarf Barb
FishPethia gelius
A tiny, peaceable barb that shows its best colors in a tight-knit group.
Golden Tetra
FishHemigrammus rodwayi
The golden color isn't natural. It takes a parasite to unlock it.
Golden Tetra
FishHyphessobrycon roseus
A tiny, rosy schooling tetra that thrives in peaceful community tanks.
Gold Lyretail
FishAphyosemion australe
A gentle, long-lived killifish and a perfect gateway into the killi hobby.
Greenband Goby
FishElacatinus multifasciatus
A tiny reef cleaner that lives among sea urchin spines in the wild.
Green-gold Cory
FishCorydoras melanotaenia
A long-bodied, gold-finned cory that's rarer in tanks than it deserves to be.
Green Neon Rasbora
FishMicrodevario kubotai
A tiny Thai schooler that glows neon green in a well-planted tank.
Green Riffle Goby
FishStiphodon elegans
A jewel-toned goby built for fast, crystal-clear rainforest streams.
Greenstripe Pencilfish
FishNannostomus marilynae
A rare pencilfish that moonlights in cryptic stripes every single night.
Greenthroat Betta
FishBetta chloropharynx
A tiny wild betta from blackwater leaf litter pools, with a throat like no other.
Guppy
FishTomeurus gracilis
A tiny Venezuelan oddity that lays eggs despite fertilizing them internally.
Half-striped Penguin Tetra
FishThayeria ifati
The rarest penguin tetra, with a boldly defined tail stripe and colorful fin tips.